$1,614.99 USD

The Aegis 48V 75Ah Lithium Iron Phosphate - LiFePo4 Battery is a state of the art rechargeable battery pack made with 18650 cells designed for 48V devices. It is perfect for energy storage, solar applications, robots, backup power, and other applications that require a higher-energy density battery.

The battery comes with integrated M10 Copper Screw Terminal connectors making it a perfect drop in solution for your applications. The Aegis battery has a built in battery management system (BMS) that keeps the battery running at peak performance and protects the cells for thousands of cycles, including over-charge, over-discharge, over-current, and short-circuit protection.

If this connection does not meet your needs, you may also view alternative adapters here. 

For out of stock kits, we may be able to provide another compatible charger. Please contact us and we can check for you.

Battery Model Number:  ALF-048075A

ALF-048075A Battery Specs and User Manual

Charger Model Number: CRF-04810M

For more info & usage notes for our lithium batteries, please click here.


Battery Type LFP (LiFePO4) - ABS Case
Cell Type/Assembly Method Cylindrical cells/welded
Voltage (V) 48V
Capacity (Ah) 75Ah
Energy Stored (Wh) 3600 Watt-Hours
Weight 77.1 lbs. (35.0 kg)
Dimension Metric (L x W x H) 520 mm x 260 mm x 220 mm (+/-2mm)
Dimension Imperial (L x W x H) 20.5 in x 10.2 in x 8.7 in (+/-0.1in)
Cycle Life 3000+ cycles
Discharge / Charge Connector M10 Terminal
Normal Charged Voltage 58.4V
Normal Charge Current 20.0 Amps
Normal Battery Cutoff Voltage 36.8V
Nominal Continuous Discharge Current 37.5 Amps
Maximum Continuous Discharge Current 75.0 Amps
Maximum Peak Discharge Current 150.0 Amps (2 Seconds)
Charge Temperature 0°C to 45°C
Discharge Temperature -20°C to 60°C
Operating Humidity 60±25%R.H
Storage Humidity 60±25%R.H
Automatic Battery Protection Module/System Low Voltage Disconnect,
Over Voltage Disconnect,
Short Circuit Protection,
Reverse Polarity Protection,
Cell Balancing,

Compatible AC-to-DC Charger Specifications:

Input Voltage: AC110V-240V, 50/60HZ
Output Voltage: 58.4VDC 
Current: 10A 
Connector: Alligator Clip
Model Number: CRF-04810M

LFP Advantage
- Advanced LFP (Lithium Iron Phosphate) Chemistry
- Optimized Deep Cycle Performance
- Double the density versus traditional SLA/AGM/GEL
- 60-70% weight reduction versus traditional SLA/AGM/GEM
- High thermal tolerance
- Ideal for Electronics
- 10+ Years Lifespan

Intelligent Technology
- Battery Management System (BMS) Board as Standard
- Every Battery has bespoke board matching its performance parameters
- Comprehensively balances charging and discharging
- Internal balancing circuitry and charger circuitry inside BMS
- Comprehensive protections against over-charge, over-discharge, over-voltage, over-current, short circuits, reverse polarity, thermal protection
- Dramatically extends service life

Comprehensive Improvements
- Achieve full depth discharge of 100% Label Capacity
- “True Lithium Capacity” guarantees capacity of purchase is capacity delivered
- Reliable, repeatable full depth cycling without system life cycle degradation
- LFP Systems can be fully discharged safely without impact on system performance 
- Multiple times usable capacity of Lead Acid

Warranty: 3 years LFP Battery Warranty 
30 Day Money Back Return | 3 Year Repair/Replace 
Cancellation: Within 24 Hours ⟶ No charge 
Shipping: Standard within 2-3 business days